Yamaha M7CL-32 Service Manual page 316

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DCIN 001 CIRCUIT DIAGRAM (M7CL-32/M7CL-48)
DCIN(1):
to DCMS-CN110
1
(page 30: B2)
DCIN(2):
to DCMS-CN111
(page 30: B5)
DCIN(3) (M7CL-48 only):
to DCMS-CN112
(page 30: B8)
DCIN(1): N.C.
DCIN(2): to LAMP
DCIN(3): to LAMP (M7CL-48 only)
2
µPC2905AT (X5826A00)
LM3940IS-3.3 (X6228A00)
REGULATOR +5V REGULATOR +3.3V
IC403, IC404
2
1 1
2
3
3
1: INPUT
1: INPUT
2: GND 2: GND
3: OUTPUT 3: OUTPUT
LM2990SX-15 (X3949A00) LM2592HVSX-ADJ (X4364A00)
REGULATOR -15V DC-DC CONVERTER
IC201
3
Metal
TAB IS
Tab
INPUT
GND
1
2
1
3
2
4
5
3 1: V
IN
1: COMMON 2: OUTPUT
3: GROUND
2: INPUT
4: FEEDBACK
3: OUTPUT
5: ON/OFF
LM2940CSX-15 (X4365A00) LM2940CSX-5.0 (X4366A00)
REGULATOR +15V REGULATOR +5V
IC301, IC405
TAB IS
GND TAB IS
GND
1
2
1
2
3
1: INPUT 1: INPUT
3
2: GND 2: GND
3: OUTPUT 3: OUTPUT
4
PQ1CY1032ZP(X5090A00) NJM79L05UA(XN086A00)
DC-DC CONVERTER REGULATOR -5V
IC401
1 1 2
3
1: V
IN
5
2: V
OUT
1: COMMON
3: COM (heat sink)
2: INPUT
4: O
adj
3: OUTPUT
5: V soft
DE3S6M (WE492200) DE5S4M (V2330500)
DIODE 60V 3A DIODE 40V 5A
4 4
1 1
2 2
3 3
5
1 2 4 3 1 2 4 3
RB160L-40 (VS597600) 1SS355 TE-17 (VT332900) UDZS16B (VU173100)
DIODE DIODE ZENER DIODE 16V
1
1
2
2
2
1: ANODE 1: ANODE
2: CATHODE 2: CATHODE
6 28 28CC1-2000004043-1 1
F E
DC-DC CONVERTER
REGULATOR +5V
+5D/+3.3D (DC-DC +7.0V Output)
DC-DC CONVERTER
1
1: ANODE
2: CATHODE
D
+15A (DC-DC +17.8V Output)
REGULATOR +15V
DC-DC CONVERTER
-5A/-15A (DC-DC -18.0V Output)
REGULATOR -15V
REGULATOR -5V
REGULATOR +3.3V
REGULATOR +5V
REGULATOR +5V
REGULATOR +5V
C B
WARNING
Components having special characteristics are
marked and must be replaced with parts having
specification equal to those originally installed.
: Ceramic Capacitor
: Mylar Capacitor
: Metal Film Resistor (chip)
DCIN 001 CIRCUIT DIAGRAM (M7CL-32/M7CL-48)
A
M7CL-32/M7CL-48
to HAAD-CN902
(page 58: O8)
( DCIN(1): ch 1-8 )
DCIN(2): ch 17-24
DCIN(3): ch 33-40
(M7CL-48 only)
to HAAD-CN902
(page 58: O8)
( DCIN(1): ch 9-16 )
DCIN(2): ch 25-32
DCIN(3): ch 41-48
(M7CL-48 only)
to HAAD-CN902
(page 58: O8)
( DCIN(1): N.C. )
DCIN(2): ST IN 1L-4R
DCIN(3): N.C.
(M7CL-48 only)